True fish fake fish silly! Robots can camouflage and live with fish


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[NetEase Smart News, December 10] Biomimicry has taken a major leap forward: robots are now learning from animal behavior.

Researchers at the Swiss Federal Institute of Technology in Lausanne have developed a tiny robot capable of swimming alongside fish. But this isn't just about mimicking movement — it's about understanding and influencing group behavior.

The robot can observe how fish in a school interact with one another, then replicate their communication patterns and movements to subtly influence their actions.

"We've created a 'secret agent' that can blend into schools of fish," said Frank Bonnet, a post-doctoral researcher at EPFL and one of the study's participants.

After designing a robotic fish that matches real fish in speed and flexibility, the team developed a closed-loop system allowing the robot to adapt its behavior based on what it observes. Over time, the robot's swimming skills improved significantly through continuous interaction with live fish.

The research was conducted at the Robot Systems Laboratory at EPFL, led by Professor Francesco Mondada. Their findings, published in *Bioinspired and Bionics*, highlight the growing potential of biomimetic robots. These machines are not just imitating nature — they're learning from it, adapting to new environments, and improving their performance over time.

Studying fish behavior offers an early glimpse into how intelligent robots can influence biological groups without them even realizing they're being observed.

So far, the robot has been successfully tested with zebrafish, which swim together and change direction based on the robot's subtle cues.

The Robot Systems Laboratory has previously explored similar concepts with insects, where a robot only needed to release specific pheromones to integrate into a group. However, working with vertebrates like fish involves more complex interactions, including appearance, movement, and vibration, according to Bonnet.

(From: ZDNet Compilation: Netease See Compiled Robot Reviewer: Fu Zeng)

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As technology continues to evolve, the line between machine and nature becomes increasingly blurred. With advancements like these, we're witnessing a future where robots don’t just move like animals — they learn, adapt, and even influence them. This breakthrough could lead to new applications in environmental monitoring, marine biology, and even wildlife conservation. Stay tuned for more updates on AI innovation and its impact on the world around us.

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